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Finding the Fourth Proportional to 299.11, 448.88 and 134.62

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Solution

The fourth proportional to 299.11, 448.88 and 134.62 is: 202.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.11 : 448.88 = 134.62 : x
  2. Step 2: Convert to fraction form
    299.11/448.88 = 134.62/x
  3. Step 3: Cross multiply
    299.11x = 448.88 × 134.62
  4. Step 4: Simplify right side
    299.11x = 60,428.23
  5. Step 5: Solve for x
    x = 60,428.23/299.11
  6. Step 6: Final answer
    x = 202.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.